<template>
  <div id="videoPlayerBox" ref="videoPlayerBox"
       :style="{'width': width + 'px', 'height': height + 'px', 'top': top + 'px', 'left': left + 'px'}">
    <div id="playBox" v-html="oWebControl === null ? playText : ''">
    </div>
  </div>
</template>

<script>
export default {
  name: 'VideoPlayback',
  props: [
    'videoVisible',
    'monitorDeviceNo',
    'monitorDeviceName'
  ],
  data() {
    return {
      oWebControl: null,
      pubKey: '', // 公钥
      appkey: '',
      secret: '',
      ip: '',
      port: '',
      width: 600,
      height: 600, // 弹框高度
      playHeight: 600,
      layout: '1x1',
      left: '',
      top: '',
      buttonIDs: '0,16,256,257,515',
      initCount: 0,
      playMode: 0, // 0 预览 1回放
      playText: '启动中。。。',
      cameraIndexCode: this.monitorDeviceNo || '' // 监控点编号
    }
  },
  methods: {
    handleClose() {
      if (this.oWebControl) {
        this.oWebControl.JS_RequestInterface({
          funcName: "stopAllPreview"
        });
        this.oWebControl.JS_HideWnd();
        this.oWebControl.JS_Disconnect().then(
            () => {  // 断开与插件服务连接成功
            },
            () => {  // 断开与插件服务连接失败
            });
        this.oWebControl = null;
      }
    },
    // 推送消息
    cbIntegrationCallBack(oData) {
      console.log(oData, '推送消息');
    },
    // RSA加密
    setEncrypt (value) {
      /* eslint-disable */
      let encrypt = new JSEncrypt();
      encrypt.setPublicKey(this.pubKey);
      return encrypt.encrypt(value);
    },
    initPlugin(callback) {
      /* eslint-disable */
      let that = this;
      this.oWebControl = new WebControl({
        szPluginContainer: "playBox",                       // 指定容器id
        iServicePortStart: 15900,                           // 指定起止端口号，建议使用该值
        iServicePortEnd: 15909,
        szClassId: "23BF3B0A-2C56-4D97-9C03-0CB103AA8F11",  // 用于IE10使用ActiveX的clsid
        cbConnectSuccess: function () {                     // 创建WebControl实例成功
          that.oWebControl.JS_StartService("window", {      // WebControl实例创建成功后需要启动服务
            dllPath: "./VideoPluginConnect.dll"             // 值"./VideoPluginConnect.dll"写死
          }).then(function () {                             // 启动插件服务成功
            that.oWebControl.JS_SetWindowControlCallback({  // 设置消息回调
              cbIntegrationCallBack: that.cbIntegrationCallBack
            });

            that.oWebControl.JS_CreateWnd("playBox", that.width, that.playHeight).then(function () { // JS_CreateWnd创建视频播放窗口，宽高可设定
              that.init(callback);  // 创建播放实例成功后初始化
            });
          }, function () { // 启动插件服务失败
          });
        },
        cbConnectError: function () { // 创建WebControl实例失败
          that.oWebControl = null;
          that.playText = '插件未启动，正在尝试启动，请稍候...';
          WebControl.JS_WakeUp("VideoWebPlugin://"); // 程序未启动时执行error函数，采用wakeup来启动程序
          that.initCount++;
          if (that.initCount < 3) {
            setTimeout(function () {
              that.initPlugin();
            }, 3000)
          } else {
            that.playText = '插件启动失败，请检查插件是否安装！<a target="_blank" style="color: #30a8ff;text-decoration: underline;" href="http://xx.com/VideoWebPlugin.zip">下载地址(软件大小：62.7MB)</a>';
          }
        },
        cbConnectClose: function (bNormalClose) {
          // 异常断开：bNormalClose = false
          // JS_Disconnect正常断开：bNormalClose = true
          console.log("cbConnectClose");
          that.oWebControl = null;
        }
      });
    },
    // 获取公钥
    getPubKey (callback) {
      this.oWebControl.JS_RequestInterface({
        funcName: "getRSAPubKey",
        argument: JSON.stringify({
          keyLength: 1024
        })
      }).then((oData) => {
        if (oData.responseMsg.data) {
          this.pubKey = oData.responseMsg.data;
          callback()
        }
      })
    },
    init(callback) {
      let that = this;
      this.getPubKey(() => {
        //  请自行修改以下变量值
        let appkey = this.appkey;                           // 综合安防管理平台提供的appkey，必填
        let secret = that.setEncrypt(this.secret);// 综合安防管理平台提供的secret，必填
        let ip = this.ip;                           // 综合安防管理平台IP地址，必填
        let playMode = this.playMode;                                  // 初始播放模式：0-预览，1-回放
        let port = 443;                                    // 综合安防管理平台端口，若启用HTTPS协议，默认443
        let snapDir = "D:\\SnapDir";                       // 抓图存储路径
        let videoDir = "D:\\VideoDir";                     // 紧急录像或录像剪辑存储路径
        let layout = this.layout;                          // playMode指定模式的布局
        let enableHTTPS = 1;                               // 是否启用HTTPS协议与综合安防管理平台交互，是为1，否为0
        let encryptedFields = 'secret';					   				 // 加密字段，默认加密领域为secret
        let showToolbar = 1;                               // 是否显示工具栏，0-不显示，非0-显示
        let showSmart = 1;                                 // 是否显示智能信息（如配置移动侦测后画面上的线框），0-不显示，非0-显示
        let buttonIDs = this.buttonIDs;                    // 自定义工具条按钮
        // /// 请自行修改以上变量值
        that.oWebControl.JS_RequestInterface({
          funcName: "init",
          argument: JSON.stringify({
            appkey: appkey,                            // API网关提供的appkey
            secret: secret,                            // API网关提供的secret
            ip: ip,                                    // API网关IP地址
            playMode: playMode,                        // 播放模式（决定显示预览还是回放界面）
            port: port,                                // 端口
            snapDir: snapDir,                          // 抓图存储路径
            videoDir: videoDir,                        // 紧急录像或录像剪辑存储路径
            layout: layout,                            // 布局
            enableHTTPS: enableHTTPS,                  // 是否启用HTTPS协议
            encryptedFields: encryptedFields,          // 加密字段
            showToolbar: showToolbar,                  // 是否显示工具栏
            showSmart: showSmart,                      // 是否显示智能信息
            buttonIDs: buttonIDs                       // 自定义工具条按钮
          })
        }).then((oData) => {
          that.oWebControl.JS_Resize(that.width, that.playHeight);  // 初始化后resize一次，规避firefox下首次显示窗口后插件窗口未与DIV窗口重合问题
          if (callback) {
            callback();
          }
        });
      });
    },
    previewVideo() {
      // this.oWebControl.JS_HideWnd();   // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题
      // let cameraIndexCode = this.cameraIndexCode;
      let cameraIndexCode = this.cameraIndexCode;
      let streamMode = 0;                                     // 主子码流标识：0-主码流，1-子码流
      let transMode = 0;                                      // 传输协议：0-UDP，1-TCP
      let gpuMode = 0;                                        // 是否启用GPU硬解，0-不启用，1-启用
      let wndId = -1;                                         // 播放窗口序号（在2x2以上布局下可指定播放窗口）
      this.oWebControl.JS_RequestInterface({
        funcName: "startPreview",
        argument: JSON.stringify({
          cameraIndexCode: cameraIndexCode,        // 监控点编号
          streamMode: streamMode,                         // 主子码流标识
          transMode: transMode,                           // 传输协议
          gpuMode: gpuMode,                               // 是否开启GPU硬解
          wndId: wndId                                    // 可指定播放窗口
        })
      })
    },
    // 设置窗口裁剪，当因滚动条滚动导致窗口需要被遮住的情况下需要JS_CuttingPartWindow部分窗口
    setWndCover() {
      let iWidth = $(window).width();
      let iHeight = $(window).height();
      let oDivRect = $("#playBox").get(0).getBoundingClientRect();
      let iCoverLeft = (oDivRect.left < 0) ? Math.abs(oDivRect.left) : 0;
      let iCoverTop = (oDivRect.top < 0) ? Math.abs(oDivRect.top) : 0;
      let iCoverRight = (oDivRect.right - iWidth > 0) ? Math.round(oDivRect.right - iWidth) : 0;
      let iCoverBottom = (oDivRect.bottom - iHeight > 0) ? Math.round(oDivRect.bottom - iHeight) : 0;
      iCoverLeft = (iCoverLeft > this.width) ? this.width : iCoverLeft;
      iCoverTop = (iCoverTop > this.playHeight) ? this.playHeight : iCoverTop;
      iCoverRight = (iCoverRight > this.width) ? this.width : iCoverRight;
      iCoverBottom = (iCoverBottom > this.playHeight) ? this.playHeight : iCoverBottom;
      this.oWebControl.JS_RepairPartWindow(0, 0, (this.width + 1), this.playHeight);    // 多1个像素点防止还原后边界缺失一个像素条
      if (iCoverLeft != 0) {
        this.oWebControl.JS_CuttingPartWindow(0, 0, iCoverLeft, this.playHeight);
      }
      if (iCoverTop != 0) {
        this.oWebControl.JS_CuttingPartWindow(0, 0, (this.width + 1), iCoverTop);    // 多剪掉一个像素条，防止出现剪掉一部分窗口后出现一个像素条
      }
      if (iCoverRight != 0) {
        this.oWebControl.JS_CuttingPartWindow(this.width - iCoverRight, 0, iCoverRight, this.playHeight);
      }
      if (iCoverBottom != 0) {
        this.oWebControl.JS_CuttingPartWindow(0, this.playHeight - iCoverBottom, this.width, iCoverBottom);
      }
    },
    // 拖拽窗口
    onmousedown (e) {
      let that = this;
      let cWidth = document.body.clientWidth;
      let cHeight = document.body.clientHeight;
      this.$refs.videoPlayerBox.onmousemove = function (el) {
        let ev = el || window.event;
        ev.preventDefault();
        // 解决点击标题窗口抖动的问题
        if (Math.abs(ev.movementX) === 0 && Math.abs(ev.movementY) === 0) {
          return;
        }
        that.left += ev.movementX;
        that.top += ev.movementY;
        // 顶部不能超出，左侧、右侧、底部可以超出一半
        if (that.top < 0) {
          that.top = 0;
        }
        if (that.top > (cHeight - that.height / 2)) {
          that.top = cHeight - that.height / 2;
        }
        if (that.left < -that.width / 2) {
          that.left = -that.width / 2;
        }
        if (that.left > (cWidth - that.width / 2)) {
          that.left = (cWidth - that.width / 2);
        }
        that.oWebControl.JS_Resize(that.width, that.playHeight);
      }
      this.$refs.videoPlayerBox.onmouseup = function () {
        this.onmousemove = null;
        this.onmouseup = null;
      }
      // 阻止默认事件
      if (e.preventDefault) {
        e.preventDefault()
      } else {
        return false
      }
    },
    onmouseleave(e) {
      // 拖拽过快鼠标划出标题位置，重新拖拽是，鼠标还未移入标题，由于上一次的onmouseup方法没有执行，导致鼠标靠近弹框，弹框移动，解决方法，给onmousemove和onmouseup赋值为null
      this.$refs.videoPlayerBox.onmousemove = null;
      this.$refs.videoPlayerBox.onmouseup = null;
      // 解决拖拽过快，播放器残影问题
      this.oWebControl.JS_Resize(this.width, this.playHeight);
    }
  },
  mounted() {
    // let hksystem = JSON.parse(sessionStorage.getItem('hksystem'));
    this.appkey = '20113433';
    this.secret = 'Qg0qgpGEfbzQZXj4smHu';
    this.ip = '210.76.76.136';
    this.port = '443';
    // 设置top left
    let bodyW = document.body.clientWidth;
    let bodyH = document.body.clientHeight;
    this.left = bodyW / 2 - this.width / 2;
    this.top = bodyH / 2 - this.height / 2;
    this.initPlugin(() => {
      this.previewVideo();
    });
    // 监听resize事件，使插件窗口尺寸跟随DIV窗口变化
    $(window).resize(() => {
      if (this.oWebControl != null) {
        this.oWebControl.JS_Resize(this.width, this.playHeight);
        this.setWndCover();
      }
    });

    // 监听滚动条scroll事件，使插件窗口跟随浏览器滚动而移动
    $(window).scroll(() => {
      if (this.oWebControl != null) {
        this.oWebControl.JS_Resize(this.width, this.playHeight);
        this.setWndCover();
      }
    });
    // 标签关闭
    $(window).unload(() => {
      if (this.oWebControl != null) {
        this.oWebControl.JS_HideWnd();   // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题
        this.oWebControl.JS_Disconnect().then(
            () => {  // 断开与插件服务连接成功
            },
            () => {  // 断开与插件服务连接失败
            }
        );
      }
    });
  },
  destroyed() {
    if (this.oWebControl != null){
      this.oWebControl.JS_HideWnd();   // 先让窗口隐藏，规避可能的插件窗口滞后于浏览器消失问题
      this.oWebControl.JS_Disconnect().then(function(){  // 断开与插件服务连接成功
          },
          function() {  // 断开与插件服务连接失败
          });
    }
  },
  watch: {
    monitorDeviceNo: {
      handler(newV, oldV) {
        this.cameraIndexCode = newV;
        if (newV && this.playMode === 0) {
          this.previewVideo();
        } else if (newV && this.playMode === 1) {
          // this.backVideo();
        }
      }
    }
  }
}
</script>

<style lang="less" scoped>
#videoPlayerBox{
  //position :fixed;
  //z-index: 4012;
  background-color: #0D1F3A;
  margin: 0 auto;
  margin-top: 20px;
}
#playBox{
  width: 100%;
  height: 360px;
  color: red;

}
</style>